CVE-2024-21820

Incorrect default permissions in some Intel(R) Xeon(R) processor memory controller configurations when using Intel(R) SGX may allow a privileged user to potentially enable escalation of privilege via local access.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.2 HIGH
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
intelCNA
7.2 HIGH
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
Debian logo
Debian Releases
Debian Product
Codename
intel-microcode
bullseye/non-free
vulnerable
bullseye/non-free (security)
3.20250512.1~deb11u1
fixed
bookworm/non-free-firmware
3.20250211.1~deb12u1
fixed
bookworm/non-free-firmware (security)
3.20250512.1~deb12u1
fixed
trixie/non-free-firmware
3.20250512.1
fixed
sid/non-free-firmware
3.20250512.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
intel-microcode
oracular
Fixed 3.20241112.0ubuntu0.24.10.1
released
noble
Fixed 3.20241112.0ubuntu0.24.04.1
released
jammy
Fixed 3.20241112.0ubuntu0.22.04.1
released
focal
Fixed 3.20241112.0ubuntu0.20.04.1
released
bionic
Fixed 3.20241112.0ubuntu0.18.04.1+esm1
released
xenial
Fixed 3.20241112.0ubuntu0.16.04.1+esm1
released
trusty
ignored
Common Weakness Enumeration
References
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01079.html